These apps use your smartphone's microphone to capture the sounds of your baby's heart. By placing the cell phone close to the mother's belly, they detect and amplify the heartbeat so you can hear it.

No, these apps do not replace medical exams. They are a complementary way to create an emotional connection with your baby. It is essential to continue prenatal care and follow medical advice.

Generally, apps can be used from the second trimester of pregnancy, when the baby's heart is more developed and the heartbeat can be heard more clearly.

Yes, these apps are safe for the baby. They only capture and amplify the sounds that are already present in the mother's womb. They do not emit radiation or any harmful signal.

We've selected some of the most popular apps for listening to your baby's heartbeat. You can check what they are and their features in our content below.

Generally, no additional accessories are required. The apps only use your smartphone's microphone to capture the sounds of your baby's heart. However, it is important to follow the instructions for each application for best results.

Most apps are available for both Android devices and iPhones. However, it is recommended to check the app's compatibility with your smartphone's model and operating system version before downloading.